Search a number
-
+
164462047 = 695923633
BaseRepresentation
bin10011100110101…
…11110111011111
3102110110112111221
421303113313133
5314100241142
624152554211
74034622121
oct1163276737
9373415457
10164462047
118491a852
12470b2967
13280c3729
1417bb1211
15e689767
hex9cd7ddf

164462047 has 4 divisors (see below), whose sum is σ = 164492640. Its totient is φ = 164431456.

The previous prime is 164462033. The next prime is 164462113. The reversal of 164462047 is 740264461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164462047 is a prime.

It is a super-3 number, since 3×1644620473 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164462147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4858 + ... + 18775.

It is an arithmetic number, because the mean of its divisors is an integer number (41123160).

Almost surely, 2164462047 is an apocalyptic number.

164462047 is a deficient number, since it is larger than the sum of its proper divisors (30593).

164462047 is an equidigital number, since it uses as much as digits as its factorization.

164462047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30592.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 164462047 is about 12824.2756910478. The cubic root of 164462047 is about 547.8839318978.

The spelling of 164462047 in words is "one hundred sixty-four million, four hundred sixty-two thousand, forty-seven".

Divisors: 1 6959 23633 164462047